Make statusBarColor and navBarColor transparent for
Theme.DeviceDefault.Settings

Bug: 133474669
Test: manual - compared effects in apps using the theme on my device
Change-Id: Ia37f3e216a1b42d8d49f2c08d29c9e1ce835fdfb
diff --git a/core/res/res/values/themes_device_defaults.xml b/core/res/res/values/themes_device_defaults.xml
index 6289262..b901048 100644
--- a/core/res/res/values/themes_device_defaults.xml
+++ b/core/res/res/values/themes_device_defaults.xml
@@ -1473,10 +1473,14 @@
         <item name="colorError">@color/error_color_device_default_light</item>
         <item name="colorEdgeEffect">@color/edge_effect_device_default_light</item>
 
-        <!-- Add white nav bar with divider that matches material -->
+        <!-- Add divider that matches material -->
         <item name="navigationBarDividerColor">@color/navigation_bar_divider_device_default_settings</item>
-        <item name="navigationBarColor">@android:color/white</item>
+
+        <!-- Add transparent nav and status bars with light icons to support drawing edge-to-edge
+        for Q gestural navigation-->
+        <item name="navigationBarColor">@android:color/transparent</item>
         <item name="windowLightNavigationBar">true</item>
+        <item name="statusBarColor">@android:color/transparent</item>
 
         <!-- Dialog attributes -->
         <item name="dialogCornerRadius">@dimen/config_dialogCornerRadius</item>